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H. J. Zhao
发表
Asymmetry of solar active prominences separately at low and high latitudes from 1957 to 1998
L. Zhan, S. Zhong, K. Li, 2003 .
On the Latitudinal Distribution of Sunspot Groups over a Solar Cycle
H. S. Yun, J. Wang, H. F. Liang, 2003 .